Let's say you want...
- a version of the eBook file that is printable and most resembles print, with static page numbering, and you do not want to edit its content. PDF
- to read the eBook on your iPad, Nook, or nearly any non-Kindle device. ePub (ePubs even work on "your computer with a number of free software)
- to read the eBook on your Kindle. Mobi
- an easy way to edit or customize the content of the file for redistribution to students, or for other non-commercial uses. Word